In object-oriented programming, we sometimes say that when type A extends type B, that type A is-a type B. (More about this in a moment.) Inheritance concepts: Overriding, overloading, and ...

This lesson starts a new segment about Object-Oriented Programming (OOP) — an important set of concepts critical to understanding any modern software, not just modern embedded software. As usual in ...

The object-oriented possibilities in JPA go far beyond what has been covered in this article: JPA also lets you write JPQL queries (similar to Hibernate’s HQL queries) or native SQL queries, and ...

Object-oriented programming, the foundation of modern software engineering, enables developers to structure their code into reusable “objects” that model real-world entities.